Thermo ScientificVanquish Integral Fraction Collector FT (Familiarization)

Importance of Fraction Collection

The ability to collect discrete fractions after chromatographic separation is a critical requirement for preparative workflows, compound purification, and downstream bioanalytical applications. Automated fraction collection increases throughput, reduces manual intervention, and improves reproducibility in laboratories performing HPLC or UHPLC separations.

Study Objectives and Overview

This document introduces the Thermo Scientific Vanquish Integral Fraction Collector FT, describes its integration with Vanquish LC systems, and outlines its intended use for qualified personnel in laboratory environments. Key aims are to present system configuration, operational modes, and maintenance procedures for efficient fraction collection.

Methodology and Instrumentation

The Vanquish Integral Fraction Collector FT operates as a downstream module in a Vanquish HPLC/UHPLC system. Core components include:

• System Base: Provides power control, waste drainage, and module stacking interfaces.
• Pump: Maintains precise, constant flow; backpressure monitoring.
• Autosampler: Delivers defined sample injections; temperature-controlled (4 °C–40 °C); barcode-based rack identification.
• Column Compartment: Holds columns at controlled temperature (up to 120 °C) with optional pre-heating.
• Detector: Converts analyte properties into electrical signals for the Chromeleon CDS.
• Solvent Rack and Monitor: Holds reservoirs; optional level sensing prevents run-dry and overfill.
• User Interface (VUI): Embedded touchscreen for real-time status, diagnostics, and service information.
• Fraction Collector FT: Features temperature control (4 °C–40 °C), SBS-footprint rack support, septum piercing for InVial and AboveVial modes, multiple collection path patterns, external/internal needle washing, and automated carry-over minimization.

Main Features, Results, and Discussion

The fraction collector supports:

• Automated Delay Volume Determination (DVD) via Chromeleon CDS to optimize valve switch timing and peak resolution.
• Four collection path modes (Vertical, SawVertical, Horizontal, SawHorizontal) and two valve behaviors (Continue, Interrupt) for flexible plate or vial handling.
• Barcode-enabled rack recognition to ensure correct orientation and rack type, minimizing user errors.
• Automated needle wash and flush cycles with user-configurable solvents to reduce carryover below detectable levels.
• Integrated leak and condensation sensors linked to audible and visual alarms for proactive maintenance.

Extensive ePanel controls within Chromeleon 7 allow real-time monitoring of module status, temperature, fluidics purge, valve position, and service diagnostics. The system ergonomics and Viper fingertight fittings enable fast, zero-dead-volume connections.

Practical Benefits and Applications

The integrated fraction collector FT enhances analytical and preparative workflows by:

• Reducing manual handling and sample cross-contamination.
• Ensuring high recovery of target analytes through precise DVD calibration and optimized wash protocols.
• Supporting a wide variety of rack formats and plate layouts for high-throughput screening, purification, and synthesis labs.
• Providing secure data logging and audit trail integration for regulated environments (QA/QC, pharma, biotech).

Future Trends and Opportunities

Emerging needs in multi-dimensional separations, online purification, and automation platforms will drive the integration of fraction collectors with laboratory robotics and data analytics. Potential developments include higher-capacity carousels, smart scheduling algorithms, expanded compatibility with non-SBS formats, and real-time fraction identification via inline detectors.

Conclusion

The Thermo Scientific Vanquish Integral Fraction Collector FT complements Vanquish HPLC/UHPLC platforms by automating high-precision fraction collection, enhancing throughput, reducing manual errors, and offering robust maintenance and diagnostic tools. Its flexible modes, temperature control, and seamless Chromeleon integration make it suitable for a broad range of analytical and preparative applications.

Reference

Thermo Fisher Scientific. Vanquish Integral Fraction Collector FT Operating Instructions and Product Documentation.